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Finding the Fourth Proportional to 299,171.79, 448,754.24 and 85,944.94

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Solution

The fourth proportional to 299,171.79, 448,754.24 and 85,944.94 is: 128,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,171.79 : 448,754.24 = 85,944.94 : x
  2. Step 2: Convert to fraction form
    299,171.79/448,754.24 = 85,944.94/x
  3. Step 3: Cross multiply
    299,171.79x = 448,754.24 × 85,944.94
  4. Step 4: Simplify right side
    299,171.79x = 38,568,155,324.52
  5. Step 5: Solve for x
    x = 38,568,155,324.52/299,171.79
  6. Step 6: Final answer
    x = 128,916.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.